Operator workstation



FIG. 1 is a perspective view of an operator workstation showing my new design, the broken lines indicate environmental structure and form no part of the claimed design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a side elevational view;

FIG. 4 is a top plan view;

FIG. 5 is a bottom plan view; and

FIG. 6 is a rear elevational view thereof. 

The ornamental design for an operator workstation, as shown and described. 